<?hh // strict
type ShapeWithOptionalField =
shape(
?'1' => int,
?'2' => int,
?'3' => int,
?'4' => int,
?'5' => int,
?'6' => int,
?'7' => int,
?'8' => int,
?'9' => int,
?'10' => int,
?'11' => int,
?'12' => int,
);
